CN220395002U - Double-steel-pipe hollow superposed column - Google Patents
Double-steel-pipe hollow superposed column Download PDFInfo
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- CN220395002U CN220395002U CN202322336174.2U CN202322336174U CN220395002U CN 220395002 U CN220395002 U CN 220395002U CN 202322336174 U CN202322336174 U CN 202322336174U CN 220395002 U CN220395002 U CN 220395002U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 151
- 239000010959 steel Substances 0.000 claims abstract description 151
- 239000004567 concrete Substances 0.000 claims abstract description 59
- 239000011229 interlayer Substances 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims 2
- 239000004035 construction material Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model provides a double-steel-pipe hollow superposed column, which belongs to the technical field of building structure engineering and comprises the following components: an inner steel pipe, an outer steel pipe, a strip steel plate and a peg; the inner part of the inner steel pipe is of a hollow structure; the outer steel pipe is arranged at the outer side of the inner steel pipe, and interlayer concrete is poured between the outer steel pipe and the inner steel pipe; a plurality of holes are formed in the strip-shaped steel plates at equal intervals, and at least two strip-shaped steel plates are uniformly arranged on the outer wall of the outer steel pipe; the peg is arranged on the contact surface of the inner steel pipe and the interlayer concrete; wherein, external concrete is poured outside the outer steel pipe and the strip-shaped steel plate; the device is through setting up the cavity interior steel pipe to thereby the cooperation between reinforcing outside concrete and the intermediate layer concrete is avoided causing the waste of construction material to be equipped with the strip shaped steel board that has the hole at the contact surface of outside steel pipe and outside concrete.
Description
Technical Field
The utility model belongs to the technical field of building structure engineering, and particularly relates to a double-steel-pipe hollow superposed column.
Background
At present, the steel pipe concrete is widely applied to the constructional engineering with the advantages of high bearing capacity, light dead weight, good anti-seismic performance, convenient construction and the like. In the related art, a steel pipe concrete composite column structure is proposed by a learner, and a layer of concrete is wrapped outside the steel pipe concrete composite column structure, so that the steel pipe concrete composite column has better bearing capacity and stronger buckling resistance compared with the steel pipe concrete column.
However, in practical engineering, concrete is a brittle material, and has poor tensile capability and is easy to crack, so in the technical scheme, the steel pipe concrete laminated column structure is often damaged by the axial compression action of construction, the external concrete is a weak part of the laminated column, and the internal steel pipe concrete damages reinforced concrete lagging behind the outer coating due to excellent mechanical property, thereby wasting construction materials.
Disclosure of Invention
Based on the technical problems, the utility model provides a double-steel-pipe hollow superposed column, which is characterized in that a hollow inner steel pipe is arranged, and a strip steel plate with holes is arranged on the contact surface of an outer steel pipe and outer concrete, so that the cooperation between the outer concrete and interlayer concrete is enhanced, and the waste of construction materials is avoided.
The specific technical scheme is as follows:
a double steel pipe hollow composite column comprising: an inner steel pipe, an outer steel pipe, a strip steel plate and a peg; the inner part of the inner steel pipe is of a hollow structure; the outer steel pipe is arranged at the outer side of the inner steel pipe, and interlayer concrete is poured between the outer steel pipe and the inner steel pipe; a plurality of holes are formed in the strip-shaped steel plates at equal intervals, and at least two strip-shaped steel plates are uniformly arranged on the outer wall of the outer steel pipe; the peg is arranged on the contact surface of the inner steel pipe and the interlayer concrete; wherein, outside concrete has been pour in outside of outer steel pipe and strip shaped steel board.
In addition, the double-steel-pipe hollow superposed column in the technical scheme provided by the utility model can also have the following additional technical characteristics:
in the technical scheme, a reinforcement cage formed by binding stirrups and longitudinal ribs is arranged on the outer side of the outer steel pipe, a concrete pouring template is erected on the outer side of the reinforcement cage, and external concrete is poured between the concrete pouring template and the outer steel pipe.
In the technical scheme, the pegs are uniformly distributed on the surface of the inner steel pipe in the circumferential direction.
In the technical scheme, the number of the strip-shaped steel plates is 8.
In the technical scheme, the number of the pegs is 8.
In the above technical solution, the holes are elliptical holes.
In the technical scheme, the outer steel pipe and the strip-shaped steel plate are of an integrated structure formed by welding.
In the technical scheme, the inner steel pipe and the outer steel pipe are concentrically arranged.
In the technical scheme, the strip-shaped steel plates are uniformly arranged on the upper edge of the outer steel pipe in the circumferential direction.
Compared with the prior art, the double-steel-pipe hollow superposed column has the beneficial effects that:
1. the double steel pipes are concentrically overlapped, so that the bearing capacity and the rigidity are better, and the inside is of a hollow structure, so that the self weight is light, and the anti-seismic performance is better; and through setting up strip shaped steel board and peg to improve the connection between interior steel pipe, outer steel pipe and the concrete, and be provided with the hole on the strip shaped steel board, and then improve the synergism between outside concrete and the intermediate layer concrete, avoid the waste of construction material.
2. The peg is arranged at the inner steel pipe, so that the phenomenon that the inner steel pipe is easy to locally flex inwards under the action of axial compression is avoided.
Drawings
FIG. 1 is a schematic structural view of a double-steel-pipe hollow superposed column of the utility model;
fig. 2 is a schematic structural view of a strip-type steel sheet according to the present utility model;
wherein, the correspondence between the reference numerals and the component names in fig. 1 to 2 is:
1 external concrete, 2 stirrups, 3 longitudinal ribs, 4 strip steel plates, 5 external steel pipes, 6 sandwich concrete, 7 internal steel pipes, 8 studs and 9 holes.
Detailed Description
The utility model will be further described with reference to specific embodiments and figures 1-2, but the utility model is not limited to these embodiments.
A double steel pipe hollow composite column, as shown in fig. 1-2, comprising: an inner steel pipe 7, an outer steel pipe 5, a strip steel plate 4 and a peg 8; the inner part of the inner steel pipe 7 is of a hollow structure; the outer steel pipe 5 is arranged at the outer side of the inner steel pipe 7, and sandwich concrete 6 is poured between the outer steel pipe 5 and the inner steel pipe 7; a plurality of holes 9 are formed in the strip-shaped steel plates 4 at equal intervals, and at least two strip-shaped steel plates 4 are uniformly arranged on the outer wall of the outer steel pipe 5; the peg 8 is arranged on the contact surface of the inner steel pipe 7 and the interlayer concrete 6; wherein the outer concrete 1 is poured outside the outer steel pipe 5 and the strip steel plate 4.
By adopting the structure, the double steel pipes are concentrically overlapped, so that the bearing capacity and the rigidity are better, and the inside is of a hollow structure, so that the self weight is light, and the shock resistance is better; and through setting up strip shaped steel board 4 and peg 8 to improve the connection between interior steel pipe 7, outer steel pipe 5 and the concrete, and be provided with hole 9 on the strip shaped steel board 4, and then improve the synergism between outside concrete 1 and the intermediate layer concrete 6, avoid the waste of construction material. And because the inner steel pipe 7 plays a role in supporting the sandwich concrete 6, under the action of axial compression during construction, the inner steel pipe 7 is easy to generate the phenomenon of inward buckling, and therefore, by arranging the stud 8 at the inner steel pipe 7, the phenomenon of local inward buckling of the inner steel pipe 7 is avoided under the action of axial compression.
Specifically, the structure has the performances of high bearing capacity, high rigidity, light dead weight and the like through the restraint of the outer steel pipe 5 to the sandwich concrete 6 and the support of the inner steel pipe 7 to the sandwich concrete 6.
In the embodiment of the utility model, a reinforcement cage formed by binding stirrups 2 and longitudinal ribs 3 is arranged on the outer side of an outer steel pipe 5, a concrete pouring template is erected on the outer side of the reinforcement cage, and outer concrete 1 is poured between the concrete pouring template and the outer steel pipe 5.
The structure has the fire resistance and corrosion resistance by wrapping reinforced concrete.
In the embodiment of the present utility model, the pegs 8 are circumferentially uniformly arranged on the surface of the inner steel pipe 7.
The structure of the inner steel pipe 7 and the sandwich concrete 6 is reinforced by the stud 8, so that the effect of local buckling of the inner steel pipe 7 under the action of axial compression is avoided.
In the embodiment of the present utility model, the number of strip-type steel plates 4 is 8.
In the embodiment of the utility model, the number of pegs 8 is 8.
In the embodiment of the present utility model, the hole 9 is an elliptical hole 9.
In the embodiment of the present utility model, the outer steel pipe 5 and the strip-shaped steel plate 4 are of a welded integrated structure.
The outer steel pipe 5 and the strip steel plate 4 are of an integral structure formed by welding, so that the stability of the connection between the outer steel pipe 5 and the strip steel plate 4 is enhanced.
In the embodiment of the present utility model, the inner steel pipe 7 and the outer steel pipe 5 are placed concentrically.
The concentric circle structure is utilized to ensure that the anti-seismic performance is good.
In the embodiment of the present utility model, the strip steel plates 4 are uniformly circumferentially arranged on the upper edge of the outer steel pipe 5.
The strip-shaped steel plates 4 are uniformly arranged on the upper edge of the outer steel pipe 5 in the circumferential direction, so that the strip-shaped steel plates 4 disperse the force of axial compression, the whole structure is uniformly stressed, and the phenomenon that the sandwich concrete 6 is damaged and lags behind the outer concrete 1 is avoided.
Specifically, the construction process of the double-steel-pipe concentric superposed column is that,
1. arranging a steel pipe framework of a double-layer welded strip steel plate 4 and a stud 8 which are concentrically arranged;
2. pouring interlayer concrete 6 between the inner steel pipe 7 and the outer steel pipe 5, so as to form hollow interlayer steel pipe concrete;
3. binding an external reinforcement cage;
4. setting up an external concrete 1 pouring template;
5. the external concrete 1 is poured.
The implementation process comprises the following steps: the double steel pipes are concentrically overlapped, so that the bearing capacity and the rigidity are better, and the inside is of a hollow structure, so that the self weight is light, and the anti-seismic performance is better; and through setting up strip shaped steel board 4 and peg 8 to improve the connection between interior steel pipe 7, outer steel pipe 5 and the concrete, and be provided with hole 9 on the strip shaped steel board 4, and then improve the synergism between outside concrete 1 and the intermediate layer concrete 6, avoid the waste of construction material. And because the inner steel pipe 7 plays a role in supporting the sandwich concrete 6, under the action of axial compression during construction, the inner steel pipe 7 is easy to generate the phenomenon of inward buckling, and therefore, by arranging the stud 8 at the inner steel pipe 7, the phenomenon of local inward buckling of the inner steel pipe 7 is avoided under the action of axial compression.
In the description of the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In the present utility model, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A double steel pipe hollow composite column, comprising:
the inner steel tube is of a hollow structure;
the outer steel pipe is arranged at the outer side of the inner steel pipe, and interlayer concrete is poured between the outer steel pipe and the inner steel pipe;
the strip-shaped steel plates are provided with a plurality of holes at equal intervals, and at least two strip-shaped steel plates are uniformly arranged on the outer wall of the outer steel pipe;
the pin is arranged on the surface of the inner steel pipe, which is contacted with the interlayer concrete;
and external concrete is poured outside the outer steel pipe and the strip-shaped steel plate.
2. The double-steel-pipe hollow superposed column according to claim 1, wherein a steel reinforcement cage formed by binding hoops and longitudinal ribs is arranged on the outer side of the outer steel pipe, a concrete pouring template is erected on the outer side of the steel reinforcement cage, and external concrete is poured between the concrete pouring template and the outer steel pipe.
3. The double steel pipe hollow composite column according to claim 1, wherein the studs are circumferentially and uniformly arranged on the surface of the inner steel pipe.
4. A double steel pipe hollow composite column according to claim 1, wherein the number of strip steel plates is 8.
5. A double steel tube hollow composite column according to claim 1, wherein the number of pegs is 8.
6. The dual steel tube hollow composite column of claim 1, wherein the holes are oval holes.
7. The double-steel-tube hollow superposed column according to claim 1, wherein the outer steel tube and the strip-shaped steel plate are of a welded integrated structure.
8. A dual steel tube hollow composite column as claimed in claim 1 wherein said inner steel tube and said outer steel tube are concentrically disposed.
9. The double-steel-tube hollow superposed column according to claim 1, wherein the strip-shaped steel plates are uniformly arranged on the upper edge of the outer steel tube in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322336174.2U CN220395002U (en) | 2023-08-30 | 2023-08-30 | Double-steel-pipe hollow superposed column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322336174.2U CN220395002U (en) | 2023-08-30 | 2023-08-30 | Double-steel-pipe hollow superposed column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220395002U true CN220395002U (en) | 2024-01-26 |
Family
ID=89613476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322336174.2U Active CN220395002U (en) | 2023-08-30 | 2023-08-30 | Double-steel-pipe hollow superposed column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220395002U (en) |
-
2023
- 2023-08-30 CN CN202322336174.2U patent/CN220395002U/en active Active
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